package com.mingqijia.gassafety.webserver.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Spring容器工具类
 *
 * @author zhufeng
 * @since 2022/8/4
 */
@Component
public class ApplicationContextUtils implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }

    public static  <T> T getBean(Class<T> clz) {
        return applicationContext == null ? null : applicationContext.getBean(clz);
    }
}
